Home / 2,001.89-3,002.74-1,417.72

Finding the Fourth Proportional to 2,001.89, 3,002.74 and 1,417.72

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Solution

The fourth proportional to 2,001.89, 3,002.74 and 1,417.72 is: 2,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.89 : 3,002.74 = 1,417.72 : x
  2. Step 2: Convert to fraction form
    2,001.89/3,002.74 = 1,417.72/x
  3. Step 3: Cross multiply
    2,001.89x = 3,002.74 × 1,417.72
  4. Step 4: Simplify right side
    2,001.89x = 4,257,044.55
  5. Step 5: Solve for x
    x = 4,257,044.55/2,001.89
  6. Step 6: Final answer
    x = 2,126.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.